Great job on the tribute page. The overall look fits the subject very well. The little music note icons are a nice touch as well.
I went over your css rules, and noticed you have one that almost selects everything in your website. If you have a rule like that, it is better to have a not selector that does the opposite so as to make the rule clearer and free up the CSS.
I’m afraid i cant stay with bootstrap alone when considering responsiveness… because if i do, the competition i am preparing for will be a waste… the committee on that Front end developer students competition doesnt allow participants to use internet… and bbootstrap needs internet to function right? unless installed